A high schooler finds herself mixed up in the Yakuza underworld when she teams with a dangerous drug dealer in this crime drama.

Yoshioka (Tatsuya Nakazawa), imprisoned for killing a yakuza boss, and Kubota (Koki Tora), jailed for murdering his own father, are sent to a prison island where only death awaits. No sooner do they arrive than they are given a hellish “welcome” by the warden, Nakano (Yoshiyuki Yamaguchi), before being thrown into a communal block filled with dangerous inmates. There, they learn of a brutal underground fighting arena— groin strikes, eye gouging, biting… anything goes. Can the two survive long enough to escape the island alive? A high-octane, brutally real battle movie, where pride and fists collide, is born.

Tragedy begins with curiosity. The on-line killer website broadcasts scenes of death in real time. Viewers are drawn to the website through curiosity, and then are shocked by what they see. Against their will, random viewers are selected to enter the killing game. It is literally a life and death situation to survive in this cruelest of spectator sports.

Sisters Aya and Saki put aside their rivalry and go toe-to-toe with Himiko and her band of zombies. The evil Himiko needs the blood of the young girls to restore her youth, while the sisters need to stop Himiko to save mankind ...